安装lxml出问题了
WARNING: You are using pip version 19.2.3, however version 20.2.2 is available.You should consider upgrading via the 'python -m pip install --upgrade pip' command.
pip install lxml 这样安装报错了,怎么解决 这只是提醒你 pip 需要更新,不影响安装的。
更新 pip 使用下面的语句:
python -m pip install --upgrade pip
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